The Operative Plasterers' and Cement Masons' International Association (OPCMIA) of the United States and Canada is a labor union that represents plasterers and cement masons in the construction industry in North America.
As the oldest Building and Construction Trades Union in the United States, the organization traces its roots back to 1864, during the American Civil War, when an organization known variously as the National Plasterer's Union or the National Plasterers Organization began to unify the various local craft unions that represented workers in the trade.
First and foremost, the Union belongs to its members. We have a say in how our organization operates. We elect our own leaders from within our ranks, so our representatives understand our trade and the issues that matter to us because they have done our jobs.
We collectively bargain our own contracts. Our representatives are committed to negotiating better wages, benefits and conditions for their members. Through bargaining, we negotiate benefits such as:
We bargain for safer job conditions and enhanced health and safety programs that can help you prevent on-the-job injuries and better equip you for today’s market.
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